Year	constant 2015 US$
2008	374598134687.95435
2009	393077999189.10345
2010	414223938452.7757
2011	425676468187.44794
2012	456627214133.61676
2013	493138122189.55927
2014	540604776859.8206
2015	575088900831.2543
2016	613076163062.593
2017	647302490779.3373
2018	692589111063.2747
2019	727972239844.6818
2020	738794828495.8312
2021	755796750191.6857
